Drilling pipe for downhole drill motor

Details Drilling pipe for downhole drill motor Drilling pipe for downhole drill motor

1982-02-25

1987-09-01

Novosad, Stephen J.

Wells

With electrical means

175104, 439191, E21B 4700, E21B 17042

Patent

active

046902120

ABSTRACT:
A drilling pipe and pipe connection system for maintaining electric connection between the surface and a subsurface location during drilling having sidewalls consisting of a bundle of parallel, longitudinally oriented, tightly packed wires cemented to each other thus creating a structural "reed bundling effect". Individual insulated conductive wires distributed around the reed bundled sidewall in two concentric subsets are attached to a pair of concentric electrical contact rings located at each end fitting such that when drilling pipe sections are interconnected electrical continuity is maintained. Such a drilling pipe is useful to deliver electricity to a downhole drilling motor or the like and for transmitting electrical signals or data during the drilling operation.

REFERENCES:
patent: 1126848 (1978-11-01), Denison
patent: 2479483 (1949-08-01), Ekleberry
patent: 3709528 (1973-01-01), Cruse
patent: 3866678 (1975-02-01), Jeter
patent: 4121193 (1978-10-01), Denison

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